Audio Glitches - Windows 7 Intel DP35DP

[Music Manic]

I've started using Windows 7 and recently tested it with latency monitor and have notice a few problems.

I've monitored it also with windows Performance monitor, which is really good. It shows me a lot of IRQ activity when I use my USB mouse and USB keyboard and I think it may be to do with IRQ conflicts.

Also one of the Scope cards is SHARING AN irq with PCI IDE Controller, which holds my main O/S hard drive with samples.

Are the IRQ conflicts the main problem here? Would putting every USB device through a single USB port help? I wanted to add wifi so that I could use the Ipad as a controller. Also my Axiom USB Midi keyboard controller seems to cause some instability. Again is that the IRQ conflict?

[garyb]

the PCI and PCI express ports are probably fine. you do need to disable USB controllers 2936 and 2937.
that will leave you with 3 or 4 usb controllers and 2 enhanced usb controllers which is plenty.


also, do whatever of these suggestions apply:
http://forums.planetz.com/viewtopic.php?f=3&t=31345

[Music Manic]

Thanks Gary. I find 64 bit vsti plugins don't work with Windows 7 well.

The system runs well and audio seems ok but dpi latency checker and latency monitor seem to tell me system will suffer dropouts.

What about the IDE controllers sharing with Pulsar?

Why has
Microsoft made it so hard to assign IRQs?

Thanks

[garyb]

they're hard to assign because there need to be so many for all the crap that we like in our computer. the physical reality is that there wouldn't be enough irqs at the hardware level. windows MUST handle the assingment or your computer wouldn't work peoperly. systems were much simpler in the win98 days.

set it up as i suggested and it will work as well as it should. every system has it's limits. if you can't make good music within the limits of that system, then i just don't know what to say other than buy one of the newest systems and an XITE...

[Music Manic]

Could you bring us up to date with the newest Mobos Cpu's etc Gary.

How much is xite now in UK?

Thanks

[garyb]

with the PCI cards you can use socket 775, which you have, socket 1366 and 1156. AMD systems of the same age will also work fine. socket 1366 are the earliest i7s and socket 1156 are the middle period i7s(i series i3, i5, i7). socket 1156 machines will be nearly as effective as the newest socket 1155 machines, socket 1155, which is current, should be avoided like the plague.

depending on the processor that you have, you may be able to upgrade the processor on your current system.

the XITEs aren't cheap, but the XITE-1D is about three to four 15 dsp cards in power and the XITE-1 is about six to ten 15 dsp cards in power. the XITE-1 also has 2 EXCELLENT mic pres. they are actually cheap if you compare the prices of the old cards and xonsider that they should be useful for another 15-20 years.
the Sonic|Core shop:
http://www.sonic-core.net/shop/index.ph ... 831609d45a

have you actually tested your performance with the actual apps you are intending to use? if you turn off all the win7 eye candy, you may have plenty of power regardless of what the DPC app says.

[Music Manic]

have you actually tested your performance with the actual apps you are intending to use? if you turn off all the win7 eye candy, you may have plenty of power regardless of what the DPC app says.

Ye seems fine now Gary. I tried to add Wifi so I could use the Ipad as a DAW controller (really useful by the way) and it started to go a bit ape! Has been stable for a couple of years but these USB ports seem to be a pain because I have the axiom 25 running on the ones you told me to disable.
I've just ordered a wireless mouse/keyboard set and a USB hub so I can run them off one port.

Could you tell me why disabling one port stops 2 of the inpur devices? Are they connected in sets of two?

Thanks for your help.

[garyb]

you are disabling controllers, not the ports themselves. a controller may handle more than one port.

[Music Manic]

Gary, I have it running smoothly again. DPC Latency checker showed everything was ok but Latency driver showed problems but was part of the culprit.
The OS drive was clogged up and I deleted some data. There was a lot of junk from updates etc.

There is an odd glitch if my ULLI is low and I believe the main culprit is the Nvidia 8400GS and the reading/writing of the hard disks.

Thanks

[Music Manic]

with the PCI cards you can use socket 775, which you have, socket 1366 and 1156. AMD systems of the same age will also work fine. socket 1366 are the earliest i7s and socket 1156 are the middle period i7s(i series i3, i5, i7). socket 1156 machines will be nearly as effective as the newest socket 1155 machines, socket 1155, which is current, should be avoided like the plague.

depending on the processor that you have, you may be able to upgrade the processor on your current system.

I have the Intel E8500 Gary. Which is the fastest for the Intel DP35DP board?
Would taking RAM up to 8 Gigs from 4 help seeing I use soft synths and samplers.

Thanks

[garyb]

according to this:
http://processormatch.intel.com/CompDB/ ... ame=dp35dp

you can upgrade quite a bit. you have the second fastest supported dual core, but there are quadcores and XEONs still.
whether an upgrade is worthwhile is something you'd need to consider, price of CPU upgrade/performance, vs the price of a newer system/performance. if you only need a little more power a Q series processor might do the job. they're still pretty good processors.

if you are using a 64bit system, and use a lot of romplers then you want the extra ram. it's cheap. a 32bit system won't use the extra 4 gigs, however.

a similarly priced 1156 i7 will be about double the power of the quadcore, jfyi.

[Music Manic]

Bump

Hi Gary is the 1156 i7 still the best processor for the intel DP35DP? Just read some some reviews and they say it is very fast for video, but does that act for audio too?

Would like the best performance CPU for this mobo.

Thanks

[garyb]

DP35DP is socket 775.
Core2 quad-core is probably the fastest choice and only an early version...
if you want to use an i7, you might as well get the newest socket 1150. actually, i think the i5 4690 is the best bang for the buck. it's almost exactly the same performance as the i7 4790 and it's $100 cheaper.

[Music Manic]

Thks will get it.

[Music Manic]

Sorry Gary which CPU is the best for the intel DP35?

Realised the one you suggested needs a different mobo.

[garyb]

it will be a socket 775 Core2 Quad. you'll need to check the Intel website's DP35DP site to see exactly what processors are supported.